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A115359 as a triangular array

1
-11
001
0-101
00001
00-1001
0000001
000-10001
000000001
0000-100001
00000000001
00000-1000001
0000000000001
000000-10000001
000000000000001

A115359 as a square array

1-10000000000000
10-100000000000
100-1000000000
1000-10000000
10000-100000
100000-1000
1000000-10
10000000
1000000
100000
10000
1000
100
10
1
1-10000000000000
10-100000000000
100-1000000000
1000-10000000
10000-100000
100000-1000
1000000-10
10000000
1000000
100000
10000
1000
100
10
1